Blue-winged Olive Mayfly vs Giant Case-Builder Caddis
Side-by-side species comparison
| Attribute | Blue-winged Olive Mayfly | Giant Case-Builder Caddis |
|---|---|---|
| Scientific Name | Serratella ignita | Phryganea bipunctata |
| Order | Ephemeroptera | Trichoptera |
| Family | Ephemerellidae | Phryganeidae |
| Size | 7-10 mm body | 18-25 mm |
| Habitat | Rivers & Streams | Ponds & Lakes |
| Diet | Omnivores | Omnivores |
| Regions | Europe | Europe |
| Conservation | Least Concern | Least Concern |
Blue-winged Olive Mayfly
A common mayfly of clean rivers and streams with distinctive blue-grey wings. One of the most important mayflies for fly fishing. Nymphs cling to stones in fast water.
Did You Know?
So important to fly fishers that dozens of artificial fly patterns have been designed to imitate its various life stages.
Giant Case-Builder Caddis
A large caddisfly with spotted wings found in northern and central Europe. Larvae construct conspicuous helical cases from plant material in weedy waters.
Did You Know?
Its larvae are among the few caddisflies known to actively prey on other aquatic invertebrates.